Growing gaps with Mexico and Vietnam add to the biggest imbalance the U.S. faces—with China.

For example, the US trade deficit with Canada exists largely because the US imports a large quantity of cheap Canadian heavy crude oil that helps keep gas prices down for American drivers.

The U.S. trade deficit in goods narrowed in February amid a rise in exports, which could temper economists' expectations for ...

(Bloomberg) -- The US trade deficit widened to a record in January ... and on Tuesday he handed down sweeping 25% duties on Canada and Mexico while doubling tariffs on Chinese goods to 20%.

The nation’s biggest trading partners—Mexico, Canada and China—contribute a sizable share of the gap. But the U.S. last year ran a trade deficit with more than 100 countries, according to ...